UDC Summary9GEOGRAPHY. BIOGRAPHY. HISTORYTable 1e - Common auxiliaries of place and Table 1g - Common auxiliaries of time will be needed continuously throughout the class. In addition 1k-05 may be needed to express personal characteristics, Table 1k-03 for the materials used in the making of artefacts in Archaeology and Table 1f - Ethnic grouping for topics in History. Table 1d - Common auxiliaries of form will be constantly needed